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Finding the Fourth Proportional to 437,891.46, 604,289.88 and 236,687.46

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Solution

The fourth proportional to 437,891.46, 604,289.88 and 236,687.46 is: 326,628.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,891.46 : 604,289.88 = 236,687.46 : x
  2. Step 2: Convert to fraction form
    437,891.46/604,289.88 = 236,687.46/x
  3. Step 3: Cross multiply
    437,891.46x = 604,289.88 × 236,687.46
  4. Step 4: Simplify right side
    437,891.46x = 143,027,836,800.91
  5. Step 5: Solve for x
    x = 143,027,836,800.91/437,891.46
  6. Step 6: Final answer
    x = 326,628.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.